/// <summary>Selects a quality value for the specified type.</summary>
/// <param name="qualityValueText">The text representation of the quality value.</param>
/// <returns>The quality value, in range from 0 through 1000.</returns>
/// <remarks>See http://tools.ietf.org/html/rfc2616#section-14.1 for further details.</remarks>
private static int ParseQualityValue(string qualityValueText)
{
int qualityValue = DefaultQualityValue;
if (qualityValueText.Length > 0)
{
int textIndex = 0;
HttpUtils.ReadQualityValue(qualityValueText, ref textIndex, out qualityValue);
}
return(qualityValue);
}